Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 9: Probability; Lesson 3: Probability of Compound Events


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Standardized Test Practice

  • Question 15 (request help)

    Mr. Zajac will choose one student from each of the two groups below to present their history report to the class.

    Which set shows all the possible choices?

    • {(Ava, Mario), (Antoine, Mario), (Greg, Mario)}
    • {(Ava, Antoine), (Antoine, Greg), (Brooke, Mario)}
    • {(Ava, Mario), (Antoine, Mario), (Greg, Mario), (Ava, Brooke), (Antoine, Brooke), (Greg, Brooke)}
    • {(Brooke, Antoine), (Mario, Greg), (Ava, Brooke), (Mario, Antoine)}
  • Question 16 (request help)

    Short Response Miranda needs to get dressed (D), brush her teeth (T), pack her lunch (L), and make her bed (B) before she leaves for school. She always  makes her bed right after she packs her lunch. Use an organized list, table, or tree diagram to determine all the different combinations of tasks Miranda could do. Use the given letters of each task in your answer (D, T, L, B).

  • Type below:

Common Core Review

Eight cards numbered 1–8 are shuffled together. A card is drawn at random.
Find the probability of each event.

  • Question 21 (request help)

    What is the probability of rolling a number greater than 4 on a number cube? Explain.

  • P(greater than 4) =

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